Home / 782,041.28-1,079,127.77-437,829.35

Finding the Fourth Proportional to 782,041.28, 1,079,127.77 and 437,829.35

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Solution

The fourth proportional to 782,041.28, 1,079,127.77 and 437,829.35 is: 604,154.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,041.28 : 1,079,127.77 = 437,829.35 : x
  2. Step 2: Convert to fraction form
    782,041.28/1,079,127.77 = 437,829.35/x
  3. Step 3: Cross multiply
    782,041.28x = 1,079,127.77 × 437,829.35
  4. Step 4: Simplify right side
    782,041.28x = 472,473,808,591.36
  5. Step 5: Solve for x
    x = 472,473,808,591.36/782,041.28
  6. Step 6: Final answer
    x = 604,154.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.